I was installing Oracle stand alone 12c while during the installation I got the following error: This error occurs because Oracle did not find the server name during the lookup operation. So how to solve this? The answer is simple. Just add the server name in the /etc/ hosts (as the example in the picture below: 192.168.56.71 dbdg.localdomain dbdg) file with the root user and then proceed with the installation: Estava instalando o Oracle stand alone 12c quando durante a instalação obtive o seguinte erro: Este erro acontece porque…